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Finding the Fourth Proportional to 501,886.71, 752,830.52 and 412,953.26

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Solution

The fourth proportional to 501,886.71, 752,830.52 and 412,953.26 is: 619,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,886.71 : 752,830.52 = 412,953.26 : x
  2. Step 2: Convert to fraction form
    501,886.71/752,830.52 = 412,953.26/x
  3. Step 3: Cross multiply
    501,886.71x = 752,830.52 × 412,953.26
  4. Step 4: Simplify right side
    501,886.71x = 310,883,811,632.58
  5. Step 5: Solve for x
    x = 310,883,811,632.58/501,886.71
  6. Step 6: Final answer
    x = 619,430.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.